diff options
| -rwxr-xr-x | src/demos/es1/RedSquare.java | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/demos/es1/RedSquare.java b/src/demos/es1/RedSquare.java index 97b6730..fe69983 100755 --- a/src/demos/es1/RedSquare.java +++ b/src/demos/es1/RedSquare.java @@ -112,6 +112,7 @@ public class RedSquare implements MouseListener { long startTime = System.currentTimeMillis(); long curTime; + int frameCount = 0; while (!ml.quit && ((curTime = System.currentTimeMillis()) - startTime) < 20000) { gl.glClear(GL2ES1.GL_COLOR_BUFFER_BIT | GL2ES1.GL_DEPTH_BUFFER_BIT); @@ -140,6 +141,20 @@ public class RedSquare implements MouseListener { } window.pumpMessages(); + + // Periodically release the OpenGL context to allow + // messages to be pumped in some configurations (in + // particular, if using the AWT) + if (++frameCount > 10) { + frameCount = 0; + context.release(); + if ((res = context.makeCurrent()) == GLContext.CONTEXT_NOT_CURRENT) { + System.out.println("Unexpected error making context current again"); + System.exit(0); + } else if (res == GLContext.CONTEXT_CURRENT_NEW) { + gl = context.getGL().getGL2ES1(); + } + } } // Shut things down cooperatively |